Rail drill
Description
FIG. 1 is a perspective view of the rail drill;
FIG. 2 is a side view of the rail drill;
FIG. 3 is a side view of the rail drill and, in particular, the side opposite that shown in FIG. 2;
FIG. 4 is a top view of the rail drill;
FIG. 5 is a bottom view of the rail drill;
FIG. 6 is an end view of the rail drill; and,
FIG. 7 is an end view of the rail drill showing the end opposite to that shown in FIG. 6.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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| D352508 | November 15, 1994 | Noda |
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| 2113723 | April 1938 | Everett |
| 2201032 | May 1940 | Everett |
| 2203415 | June 1940 | Lavarack et al. |
| 2599696 | June 1952 | Clark |
| 2629267 | February 1953 | Hart |
| 2887908 | May 1959 | Miller |
| 3273424 | September 1966 | Hughes |
| 3706505 | December 1972 | Stougaard |
| 3945749 | March 23, 1976 | McIlrath |
| 4753556 | June 28, 1988 | Solko |
| 4911587 | March 27, 1990 | Stych |
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- Markwick's Complete Specification, No. 14,141, Aug. 21, 1891, London.
Patent History
Patent number: D365581
Type: Grant
Filed: Apr 5, 1995
Date of Patent: Dec 26, 1995
Assignee: Everett D. Hougen (Flint, MI)
Inventor: Dennis C. McCourtney (Davison, MI)
Primary Examiner: Antoine Duval Davis
Law Firm: Howard & Howard
Application Number: 0/37,170
Type: Grant
Filed: Apr 5, 1995
Date of Patent: Dec 26, 1995
Assignee: Everett D. Hougen (Flint, MI)
Inventor: Dennis C. McCourtney (Davison, MI)
Primary Examiner: Antoine Duval Davis
Law Firm: Howard & Howard
Application Number: 0/37,170
Classifications
Current U.S. Class:
Drilling (7) (D15/132)